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tsan: disable flaky debug check 

see the comment for details

llvm-svn: 224507
This commit is contained in:
Dmitry Vyukov 2014-12-18 10:17:01 +00:00
parent 06d6930b68
commit a4cd69217b
1 changed files with 3 additions and 2 deletions
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5
compiler-rt/lib/tsan/rtl/tsan_rtl.cc
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@ -715,8 +715,9 @@ bool ContainsSameAccess(u64 *s, u64 a, u64 sync_epoch, bool is_write) {
#if defined(__SSE3__) && TSAN_SHADOW_COUNT == 4
bool res = ContainsSameAccessFast(s, a, sync_epoch, is_write);
// NOTE: this check can fail if the shadow is concurrently mutated
// by other threads.
DCHECK_EQ(res, ContainsSameAccessSlow(s, a, sync_epoch, is_write));
// by other threads. But it still can be useful if you modify
// ContainsSameAccessFast and want to ensure that it's not completely broken.
// DCHECK_EQ(res, ContainsSameAccessSlow(s, a, sync_epoch, is_write));
return res;
#else
return ContainsSameAccessSlow(s, a, sync_epoch, is_write);